Files
shadowsocks-libev/tests/test_cli_docs.py

95 lines
4.2 KiB
Python

"""Regression checks for drift between getopt and native Doxygen snippets."""
import importlib.util
from pathlib import Path
import shutil
import tempfile
import unittest
ROOT = Path(__file__).resolve().parents[1]
SPEC = importlib.util.spec_from_file_location('check_cli_docs', ROOT / 'scripts/check_cli_docs.py')
DOCS = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(DOCS)
class CliDocsTests(unittest.TestCase):
def setUp(self):
self.temp = tempfile.TemporaryDirectory()
self.addCleanup(self.temp.cleanup)
self.root = Path(self.temp.name)
(self.root / 'src').mkdir()
(self.root / 'doc').mkdir()
for name in ('local.c', 'server.c', 'tunnel.c', 'redir.c', 'manager.c', 'utils.c', 'ss-nat'):
shutil.copyfile(ROOT / 'src' / name, self.root / 'src' / name)
for path in (ROOT / 'doc').glob('*.md'):
shutil.copyfile(path, self.root / 'doc' / path.name)
def change(self, filename, old, new):
path = self.root / filename
source = path.read_text(encoding='utf-8')
self.assertTrue(old in source, f'Missing fixture text in {filename}')
path.write_text(source.replace(old, new), encoding='utf-8')
def test_current_documentation_matches_all_variants(self):
DOCS.check(self.root)
sources = {p.name: p.read_text(encoding='utf-8') for p in (self.root / 'src').iterdir()}
local = DOCS.documented_options('local.c', sources)
self.assertIn('-S', local)
self.assertIn('-V', local)
self.assertIn('--nftables-sets', DOCS.documented_options('server.c', sources))
self.assertIn('-I', DOCS.documented_options('ss-nat', sources))
self.assertNotIn('-p', DOCS.documented_options('manager.c', sources))
def test_new_option_requires_documentation(self):
self.change('src/local.c', '"reuse-port",', '"new-option",')
with self.assertRaisesRegex(ValueError, 'missing documentation.*new-option'):
DOCS.check(self.root)
def test_argument_arity_is_checked(self):
self.change('src/local.c', '"reuse-port", no_argument',
'"reuse-port", required_argument')
with self.assertRaisesRegex(ValueError, 'argument mismatch.*reuse-port'):
DOCS.check(self.root)
def test_unknown_parser_syntax_fails_closed(self):
self.change('src/local.c', '"reuse-port", no_argument',
'"reuse-port", optional_argument')
with self.assertRaisesRegex(ValueError, 'Unsupported long_options'):
DOCS.check(self.root)
def test_nonliteral_short_options_fail_closed(self):
self.change('src/local.c', '":f:s:p:l:k:t:m:i:c:b:a:n:huUv6A"', 'SHORT_OPTIONS')
with self.assertRaisesRegex(ValueError, 'literal getopt_long'):
DOCS.check(self.root)
def test_shell_options_require_documentation(self):
self.change('src/ss-nat', ':s:l:S:L:i:I:e:a:b:w:ouUfh', ':s:l:S:L:i:I:e:a:b:w:ouUfhz')
with self.assertRaisesRegex(ValueError, 'missing documentation.*-z'):
DOCS.check(self.root)
def test_missing_snippet_is_rejected(self):
self.change('src/local.c', 'utils.c cli_long_reuse_port', 'utils.c missing_snippet')
with self.assertRaisesRegex(ValueError, 'Missing snippet'):
DOCS.check(self.root)
def test_duplicate_option_is_rejected(self):
self.change('src/local.c', 'utils.c cli_long_reuse_port', 'utils.c cli_short_f')
with self.assertRaisesRegex(ValueError, 'Duplicate documented option'):
DOCS.check(self.root)
def test_manual_must_include_parser_options(self):
self.change('doc/ss-local.md', 'local.c cli-options', 'local.c missing-options')
with self.assertRaisesRegex(ValueError, 'manual must include'):
DOCS.check(self.root)
def test_missing_rendered_flag_is_rejected(self):
output = self.root / 'rendered'
(output / 'man').mkdir(parents=True)
(output / 'man/ss-local.1').write_text('.TH ss-local 1\n', encoding='utf-8')
with self.assertRaisesRegex(ValueError, 'missing rendered flag'):
DOCS.check(self.root, output)
if __name__ == '__main__':
unittest.main()